CN206897194U - A kind of organic milipore filter - Google Patents
A kind of organic milipore filter Download PDFInfo
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- CN206897194U CN206897194U CN201720872010.3U CN201720872010U CN206897194U CN 206897194 U CN206897194 U CN 206897194U CN 201720872010 U CN201720872010 U CN 201720872010U CN 206897194 U CN206897194 U CN 206897194U
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- milipore filter
- organic
- titanium dioxide
- graphene oxide
- organic milipore
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Abstract
The utility model is a kind of organic milipore filter.Include graphene oxide layer（1）, polyamide cortex（2）, titanium dioxide granule（3）, the organic milipore filter of polyvinylidene fluoride hollow fiber（4）, the wherein organic milipore filter of polyvinylidene fluoride hollow fiber（4）Provided with filter membrane pore（5）, graphene oxide layer（1）And titanium dioxide granule（3）It is attached to the organic milipore filter of polyvinylidene fluoride hollow fiber（4）Surface, the superiors are polyamide cortex（2）, polyamide cortex（2）It is aggregated in graphene oxide layer（1）And titanium dioxide granule（3）Surface.The utility model can increase substantially the lasting antifouling property of Modified Membrane, and material separation and the effect concentrated are preferable, meet the needs of actual use, and simple in construction, convenient and practical.
Description
Technical field
It the utility model is related to a kind of organic milipore filter, particularly a kind of graphene oxide-titania modified poly- inclined fluorine
The organic milipore filter of ethene doughnut, belong to organic milipore filter innovative technology.
Background technology
Relatively low with more polymeric membrane for separation flux at present, membrane module is easily contaminated, and causes fenestra to block up
Plug, flux decline, separating liquid deteriorating water quality, and membrane module cleaning and replacing are frequent.Membrane pollution problem largely limits film
The further extensive utilization of isolation technics.And the less effective of existing filter membrane material separation and concentration, it is difficult to meet actual use
Needs.
The content of the invention
The purpose of this utility model is to consider above mentioned problem and provide a kind of organic milipore filter.The utility model can be significantly
Degree improves the lasting antifouling property of Modified Membrane, and material separation and the effect concentrated are preferable, meet the needs of actual use, and tie
Structure is simple, convenient and practical.
The technical solution of the utility model is：Organic milipore filter of the present utility model, include graphene oxide layer, gather
The organic milipore filter of acid amides cortex, titanium dioxide granule, polyvinylidene fluoride hollow fiber, wherein polyvinylidene fluoride hollow fiber are organic
Milipore filter is provided with filter membrane pore, and it is organic super that graphene oxide layer and titanium dioxide granule are attached to polyvinylidene fluoride hollow fiber
The surface of filter membrane, polyamide sheath layers of polymer is on graphene oxide layer and the surface of titanium dioxide granule.
The utility model compared with prior art, has the following advantages that and effect：
1）Nano modifier graphene oxide layer of the present utility model and titanium dioxide granule and Kynoar are hollow
The organic milipore filter of fiber is integrally formed, and modifying agent is securely attached to the surface of milipore filter, is significantly better than single modifying agent such as oxygen
The load capacity and adhesive strength based on physical action such as graphite alkene or single modified technique such as blending and modifying；
2）The hydrophily and separating property of organic milipore filter are superior to former film, its water contact angle and humic acid static adsorbance
Decline to a great extent；
3）Organic ultrafiltration membrane surface is rich in a large amount of hydrophilic functional groups, and it is extremely strong hydrophilic that these functional groups have Modified Membrane
Performance and surface-active.Modified Membrane hydrophily functional layer is graphene oxide layer and polyamide cortex and titanium dioxide granule
Composite construction, the lasting antifouling property of Modified Membrane can be increased substantially；
4）The flux decline that organic ultrafiltration membrance filter humic acid occurs significantly is delayed, and irreversible membrane fouling is to can
Inverse pollution conversion.Organic ultrafiltration membrane flux complete attenuation rate is decreased obviously with irreversible attenuation rate compared with former film, and reversible
Attenuation rate slightly rises；
5）The filter cycle of organic milipore filter improves several times.When throughput loss is identical, organic ultrafiltration membrance filter time with
Former film, which is compared to have, significantly to be extended；
6）Waterpower, which backwashes, obvious, stable effect to the flux recovery of organic milipore filter, by repeatedly " filtering-clear
Wash " after the cycle, the flux recovery rate of organic milipore filter can substantially return to initial value, and former film recovery extent is limited；
7）Organic milipore filter membrane module high financial profit.
The utility model material separates and the effect of concentration is preferable, meets the needs of actual use, and simple in construction, convenient
It is practical.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Embodiment：
Structural representation of the present utility model includes graphite oxide as shown in figure 1, organic milipore filter of the present utility model
The organic milipore filter 4 of alkene lamella 1, polyamide cortex 2, titanium dioxide granule 3, polyvinylidene fluoride hollow fiber, wherein polyvinylidene fluoride
The organic milipore filter 4 of alkene doughnut is provided with filter membrane pore 5, and graphene oxide layer 1 and titanium dioxide granule 3 are attached to poly- inclined fluorine
The surface of the organic milipore filter 4 of ethene doughnut, the superiors are polyamide cortex 2, and polyamide cortex 2 is aggregated in graphene oxide
The surface of lamella 1 and titanium dioxide granule 3.
In the present embodiment, the aperture of above-mentioned filter membrane pore 5 is 10~50nm.
In the present embodiment, the thickness of above-mentioned polyamide cortex 2 is 100nm~10um.
In the present embodiment, the thickness of above-mentioned graphene oxide layer 1 is 0.8~1.6 nm.20 μm of length of run.
In the present embodiment, the diameter of above-mentioned titanium dioxide granule 3 is 5~15nm.Titanium dioxide granule 3 is urged as nanometer light
Agent.
In the present embodiment, above-mentioned titanium dioxide granule 3 is anatase titanium dioxide.
Preparation method of the present utility model is：The organic component of milipore filter 4 of polyvinylidene fluoride hollow fiber is immersed ten first
Six alkyl trimethyl ammonium bromides（CTAB）The aqueous solution（1g/L, 10min）In, film surface is activated；Then, poly- inclined fluorine
The organic component of milipore filter 4 of ethene doughnut immerses graphene oxide with titanium oxide dispersion, carrying out suction filtration absorption（Filter
Pressure 0.04MPa）Finished to blended liquid suction, then continuous sucking 5min.This process makes titanium dioxide using the method for filtering absorption
Titanium and graphene oxide are attached to the surface of the organic milipore filter 4 of polyvinylidene fluoride hollow fiber, after suction, take out former film group
Part, it is placed in the drying box under the conditions of 60 DEG C and dries 30min；The organic milipore filter of polyvinylidene fluoride hollow fiber is taken out after drying
4 components, it is placed on certain density m-phenylene diamine (MPD)（MPD）The aqueous solution（1-5wt%）Middle immersion certain time（2-10min）, soaked
Finish to fall using wriggling pumping（Swabbing pressure 0.04MPa）The moisture of film wire excess surface；Then, it is hollow to take out Kynoar
The organic milipore filter of fiber（4）Component, it is immersed in finite concentration（0.1-0.5wt%）Pyromellitic trimethylsilyl chloride（TMC）Oil phase is molten
In liquid（Colloidal sol is n-hexane）Certain time（0.5-10min）, it is allowed to carry out interface polymerization reaction to generate polyamide cortex 2,
Polyamide cortex 2 is that interfacial reaction is occurred by m-phenylene diamine (MPD) and pyromellitic trimethylsilyl chloride and is generated on the surface of film；Finally it is placed on
30min is dried in baking oven under the conditions of 60 DEG C to take out, and it is hollow that graphene oxide-titania modified Kynoar is prepared
The organic milipore filter of fiber.
Operation principle of the present utility model is：The utility model be external-compression type filtering, raw water from polyamide cortex 2, oxidation
Graphene sheet layer 1, titanium dioxide granule 3 filter, then the filter membrane pore 5 through the organic milipore filter 4 of polyvinylidene fluoride hollow fiber flows
Go out, in this process, solvent and small molecule solute are permeate through membranous wall, and bigger molecule solute is rejected by, and is stayed in
Outside film, so as to reach the purpose of material separation and concentration.
Claims (6)
1. a kind of organic milipore filter, it is characterised in that include graphene oxide layer（1）, polyamide cortex（2）, titanium dioxide
Particle（3）, the organic milipore filter of polyvinylidene fluoride hollow fiber（4）, the wherein organic milipore filter of polyvinylidene fluoride hollow fiber（4）If
There is filter membrane pore（5）, graphene oxide layer（1）And titanium dioxide granule（3）It is organic to be attached to polyvinylidene fluoride hollow fiber
Milipore filter（4）Surface, polyamide cortex（2）It is aggregated in graphene oxide layer（1）And titanium dioxide granule（3）Surface.
2. organic milipore filter according to claim 1, it is characterised in that above-mentioned filter membrane pore（5）Aperture for 10~
50nm。
3. organic milipore filter according to claim 1, it is characterised in that above-mentioned polyamide cortex（2）Thickness be 100nm
~10um.
4. organic milipore filter according to claim 1, it is characterised in that above-mentioned graphene oxide layer（1）Thickness be
0.8~1.6nm.
5. organic milipore filter according to any one of Claims 1-4, it is characterised in that above-mentioned titanium dioxide granule（3）'s
Diameter is 5~15nm.
6. organic milipore filter according to claim 5, it is characterised in that above-mentioned titanium dioxide granule（3）It is Detitanium-ore-type two
Titanium oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872010.3U CN206897194U (en) | 2017-07-18 | 2017-07-18 | A kind of organic milipore filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872010.3U CN206897194U (en) | 2017-07-18 | 2017-07-18 | A kind of organic milipore filter |
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| Publication Number | Publication Date |
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| CN206897194U true CN206897194U (en) | 2018-01-19 |
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| CN201720872010.3U Active CN206897194U (en) | 2017-07-18 | 2017-07-18 | A kind of organic milipore filter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854602A (en) * | 2018-06-28 | 2018-11-23 | 江苏泓膜业科技有限公司 | A kind of enhanced hollow fiber ultrafiltration membrane and preparation method thereof |
| CN108905646A (en) * | 2018-06-13 | 2018-11-30 | 西安理工大学 | Graphene PVDF composite conducting ultrafiltration membrane and preparation and contaminant removal process |
| CN109433013A (en) * | 2018-09-20 | 2019-03-08 | 广东工业大学 | A kind of graphene oxide and the composite modified membrane material and preparation method thereof of graphite phase carbon nitride |
| CN112642293A (en) * | 2020-09-22 | 2021-04-13 | 迈博瑞生物膜技术（南通）有限公司 | Super-hydrophilic low-molecular-weight-retained graphene composite ultrafiltration membrane and manufacturing method thereof |
| CN114130201A (en) * | 2020-09-04 | 2022-03-04 | 三达膜科技（厦门）有限公司 | Titanium dioxide graphene oxide modified organic ultrafiltration membrane and preparation method thereof |
-
2017
- 2017-07-18 CN CN201720872010.3U patent/CN206897194U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108905646A (en) * | 2018-06-13 | 2018-11-30 | 西安理工大学 | Graphene PVDF composite conducting ultrafiltration membrane and preparation and contaminant removal process |
| CN108905646B (en) * | 2018-06-13 | 2021-06-15 | 西安理工大学 | Graphene PVDF (polyvinylidene fluoride) composite conductive ultrafiltration membrane and preparation and pollutant removal methods thereof |
| CN108854602A (en) * | 2018-06-28 | 2018-11-23 | 江苏泓膜业科技有限公司 | A kind of enhanced hollow fiber ultrafiltration membrane and preparation method thereof |
| CN109433013A (en) * | 2018-09-20 | 2019-03-08 | 广东工业大学 | A kind of graphene oxide and the composite modified membrane material and preparation method thereof of graphite phase carbon nitride |
| CN109433013B (en) * | 2018-09-20 | 2021-08-24 | 广东工业大学 | Graphene oxide and graphite-phase carbon nitride composite modified membrane material and preparation method thereof |
| CN114130201A (en) * | 2020-09-04 | 2022-03-04 | 三达膜科技（厦门）有限公司 | Titanium dioxide graphene oxide modified organic ultrafiltration membrane and preparation method thereof |
| CN114130201B (en) * | 2020-09-04 | 2023-04-14 | 三达膜科技（厦门）有限公司 | Titanium dioxide graphene oxide modified organic ultrafiltration membrane and preparation method thereof |
| CN112642293A (en) * | 2020-09-22 | 2021-04-13 | 迈博瑞生物膜技术（南通）有限公司 | Super-hydrophilic low-molecular-weight-retained graphene composite ultrafiltration membrane and manufacturing method thereof |
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